Pre 84 Trucks 1st gen pickups

weber vacuum leak at base

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Old Mar 19, 2013 | 07:04 PM
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catfish21's Avatar
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From: baton rouge,louisiana
weber vacuum leak at base

I have a small vacuum leak at the base of my weber 32/36 and its causing my idle to hesitate a bit and its aggravation. I no there is an adapter from LC but can someone tell me.the part number or the one I need I here that this is a problem with the weber plates, but my engine is a stock 22r 1982 thanks
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Old Mar 21, 2013 | 02:07 AM
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From: Park City, UT
This be the one you need
http://www.lceperformance.com/Spiral...-p/1033028.htm

Or there's also the 1 piece Trans-Dapt adapter available from somewhere like Summit
http://www.summitracing.com/parts/trd-2181

I've heard people have had good luck with it, and I personally had good luck with the LCE adapter.
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Old Mar 21, 2013 | 06:48 AM
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From: baton rouge,louisiana
Thanks a lot and do you think the vacuum leak is the cause of it hesitating while idling thanks
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Old Mar 21, 2013 | 08:32 AM
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From: Falls City, OR
Originally Posted by catfish21
Thanks a lot and do you think the vacuum leak is the cause of it hesitating while idling thanks
That's a symptom. You can confirm the leak by spraying carb cleaner or starting fluid around the base (short bursts, don't need to hose the thing down) and if it is sucked into the base it will change the idle, probably smoothing it out briefly.

I have the Trans Dapt adapter on mine and it was still leaking. I recently doubled up the carb to adapter gasket and I think that helped but I'm not sure. My adapter has flat surfaces, but I think the weber surface may be warped a little.
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Old Mar 21, 2013 | 01:13 PM
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I used high temp RTV on my 2 piece adapter when I put it together at least 7 years now without a leak.
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Old Mar 21, 2013 | 01:20 PM
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From: baton rouge,louisiana
You use it with the gasket and I no this is off subject but where can I find a complete exhaust system for my 82 pickup 4x4
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